GLASS PASSIVATED SUPER FAST RECTIFIER
VOLTAGE RANGE 50 to 600 Volts CURRENT 8.0 Amperes
RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
FEATURES
* Low switching noise
* Low forward voltage drop
* Low thermal resistance
* High current capability
* Super fast switching speed
* High reliability
* Good for switching mode circuit
MECHANICAL DATA
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
* Case: ITO-220 molded plastic
* Epoxy: Device has UL flammability classification 94V-O
* Lead: MIL-STD-202E method 208C guaranteed
* Mounting position: Any
* Weight: 2.24 grams
ISF81
THRU
ISF87
ITO-220A
MAXIMUM RATINGS (At T
A
= 25
o
C unless otherwise noted)
ELECTRICAL CHARACTERISTICS (At T
A
= 25
o
C unless otherwise noted)
NOTES : 1. Test Conditions: IF = 0.5A, IR = -1.0A, IRR = -0.25A
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
3. Suffix "R" for Reverse Polarity.
Dimensions in inches and (millimeters)
2002-12
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T
C
= 100
o
C
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Thermal Resistance
Typical Junction Capacitance (Note 2)
SYMBOL
V
RRM
V
DC
I
FSM
C
J
T
J
, T
STG
V
RMS
UNITS
Volts
Volts
Amps
8.0
125
3
50
Amps
0
C / W
0
C
Operating and Storage Temperature Range
R
JC
I
O
-55 to + 150
pF
Volts
30
CHARACTERISTICS
at Rated DC Blocking Voltage
Maximum Reverse Recovery Time (Note 1)
V
F
SYMBOL
I
R
nSec
uAmps
Maximum DC Reverse Current
Maximum Instantaneous Forward Voltage at 8.0A DC
Volts
10
35
@T
C
= 100
o
C
@T
C
= 25
o
C
trr
1.0
1.35
500
50
UNITS
100
300
150
ISF81
ISF83
ISF85
ISF82
ISF84
200
400
ISF86
50
100
300
150
200
400
50
70
210
105
140
280
35
600
ISF87
600
420
ISF81
ISF83
ISF85
ISF82
ISF84
ISF86
ISF87
1.70
.138(3.5)
.406(10.3)
.114(2.9)
.055(1.4)
.382(9.7)
.098(2.5)
.039(1.0)
.169(4.3)
.110(2.8)
.602(15.3)
.035(0.9)
.108(2.75)
.091(2.30)
.020(0.5)
.579(14.7)
.031(0.8)
.016 (0.4)
.185(4.7)
.122(3.1)
.154 (3.9)
.138 (3.5)
.071(1.8)
.055(1.4)
.531(13.5)
.492(12.5)
.114(2.9)
.098(2.5)
.134(3.4)
.04MAX.
(1.0)
RECTRON
RATING AND CHARACTERISTIC CURVES ( ISF81 THRU ISF87 )
FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT, (A)
CASE TEMPERATURE, ( )
0
50
100
150
10
8
6
4
2
0
Single Phase Half Wave
60Hz Inductive or
Resistive Load
FIG. 3 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT, (A)
NUMBER OF CYCLES AT 60Hz
150
125
100
75
50
25
0
1
2
5
10
20
50
100
8.3ms Single Half Sine-Wave
(JEDEC Method)
FIG. 2 - TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT, (uA)
PERCENT OF RATED PEAK
REVERSE VOLTAGE, (%)
1000
100
10
1.0
0.1
20
0
40
60
80
100
120
140
TC = 100
TC = 25
FIG. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT, (A)
INSTANTANEOUS FORWARD VOLTAGE, (V)
40
20
10
4
2
1.0
.4
.2
.1
.6
.8
1.0
1.2
1.4
1.6
1.8
2.0
TJ=25
Pulse Width = 300uS
1% Duty Cycle
ISF81~ISF84
ISF85~ISF86
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE, (pF)
REVERSE VOLTAGE, ( V )
200
100
60
40
20
10
6
4
2
1
.1
.2
.4
1.0
2
4
10
20 40
100
ISF81~ISF84
ISF85~ISF87
TJ = 25
ISF87
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